Bisexuality Forum - Moderated forum features discussion, personals, live chat, story archive, and links, as well as an "informal" page for "off-topic" chat and open messages to individuals.
Bisexual Resource List - a compilation of resources useful to bisexual and bifriendly people.
Bi Community News - the National Newsletter for UK Bisexuals.
#BiFemSexuality - an online community that discusses Bisexual issues (female) in a safe environment on the UnderNet IRC Network
bi.org - worldwide resources for bisexuals.
Bi Planet - discussion boards, newsletters, articles and resources.
BisexualNation - chat, personals, comedy, horoscopes, shopping and more!
Bisexual Options - Your source for specifically bisexual information on the Net.
Bi The Way...
Ladies Loving Ladies - bisexual/lesbian oriented site offering e-cards, email, classifieds and more.
soc.bi homepage - Homepage for the soc.bi newsgroup.